Here's what rhymes with rugueux.
go ago co goe ko no so know though low show grow row tho fo foe glow ho lo quo bo doe dough mo po ro toe wo woe crow tow yo beau ceux faut hoe jo sew soe uno vo aglow aliquot beaux cho dau mow noe roe sho yeux zo rho whoa doh kayo flow blow slow snow throw pro plateau fro chateau hello thro bio calico propos dicho floe tuo bro chateaux dunno plateaux stow throe trow kapok sloe tarot turbot regrow gateau gateaux pekoe schmo resew schmoe although below ratio radio undergo audio indigo portico forego forgo nouveau tableau apropos cameo escrow outgrow rodeo siglo tableaux topos trousseau chapeau oleo overgrow chapeaux trousseaux borzoi romeo overthrow bestow buffalo overflow folio patio bungalow dynamo polio vertigo domino medico afterglow oregano adagio piccolo undertow deathblow foreknow bandeau matzoh fatso tallyho embryo studio stereo politico mistletoe spatio pompano microdot archipelago presidio pistachio mustachio moustachio portfolio braggadocio impresario pianissimo generalissimo